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ISO/IEC 15948:2004

Current

Current

The latest, up-to-date edition.

Information technology — Computer graphics and image processing — Portable Network Graphics (PNG): Functional specification

Available format(s)

PDF , Hardcopy

Language(s)

English

Published date

03-03-2004

£190.00
Excluding VAT

ISO/IEC 15948:2004 specifies a datastream and an associated file format, Portable Network Graphics (PNG, pronounced "ping"), for a lossless, portable, compressed individual computer graphics image transmitted across the Internet. Indexed-colour, greyscale, and truecolour images are supported, with optional transparency. Sample depths range from 1 to 16 bits. PNG is fully streamable with a progressive display option. It is robust, providing both full file integrity checking and simple detection of common transmission errors. PNG can store gamma and chromaticity data as well as a full ICC colour profile for accurate colour matching on heterogenous platforms. ISO/IEC 15948:2004 defines the Internet Media type "image/png". The datastream and associated file format have value outside of the main design goal.

Committee
ISO/IEC JTC 1/SC 24
DocumentType
Standard
Pages
0
PublisherName
International Organization for Standardization
Status
Current

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ISO 3664:2009 Graphic technology and photography — Viewing conditions
ISO/IEC 646:1991 Information technology — ISO 7-bit coded character set for information interchange
SMPTE ST 170 : 2004 TELEVISION - COMPOSITE ANALOG VIDEO SIGNAL - NTSC FOR STUDIO APPLICATIONS
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